Stephanie Mantle has 3 recorded races from Lake Saint Louis, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 1:05:31 | 309 |
| 2024-10-06 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 1:03:53 | 243 |
| 2023-10-01 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 1:09:15 | 252 |